August in Yalta is the sunniest month of the year. In August, the weather in Yalta is typically hot. Average daily high temperature in August is about 27 degrees above zero. On average, Yalta has 20 sunny, 5 rainy, 5 partly cloudy, and 1 cloudy day in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Yalta.